the stage or period of greatest vigor, strength, success, etc.; prime:
the heyday of the vaudeville stars.
Archaic. high spirits.
the time of most power, popularity, vigour, etc; prime
late 16c., alteration of heyda (1520s), exclamation of playfulness or surprise, something like Modern English hurrah, apparently an extended form of Middle Elish interjection hey or hei (see hey). Modern sense of “stage of greatest vigor” first recorded 1751, which altered the spelling on model of day, with which this word apparently has no etymological connection.
- Hey diddle diddle
A nursery rhyme: Hey diddle diddle The cat and the fiddle, The cow jumped over the moon; The little dog laughed To see such sport, And the dish ran away with the spoon.
[hahy-doo k] /ˈhaɪ dʊk/ noun 1. . [hahy-doo k] /ˈhaɪ dʊk/ noun 1. one of a class of mercenary soldiers in 16th-century Hungary. 2. an outlaw who engaged in brigandage and irregular warfare against the Turks in the Slavic regions of the Ottoman Empire. 3. a male servant or attendant dressed in semimilitary Hungarian costume. […]
[hey-er-dahl] /ˈheɪ ərˌdɑl/ noun 1. Thor [too r] /tʊər/ (Show IPA), 1914–2002, Norwegian ethnologist and author. /Norwegian ˈhɛiərdaːl/ noun 1. Thor (tɔː). 1914–2002, Norwegian anthropologist. In 1947 he demonstrated that the Polynesians could originally have been migrants from South America, by sailing from Peru to the Pacific Islands of Tuamotu in the Kon-Tiki, a raft […]
/ˈheɪə/ noun 1. Georgette. 1902–74, British historical novelist and writer of detective stories, noted esp for her romances of the Regency period